Home / 445,892.46-668,839.14-209,235.36

Finding the Fourth Proportional to 445,892.46, 668,839.14 and 209,235.36

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Solution

The fourth proportional to 445,892.46, 668,839.14 and 209,235.36 is: 313,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,892.46 : 668,839.14 = 209,235.36 : x
  2. Step 2: Convert to fraction form
    445,892.46/668,839.14 = 209,235.36/x
  3. Step 3: Cross multiply
    445,892.46x = 668,839.14 × 209,235.36
  4. Step 4: Simplify right side
    445,892.46x = 139,944,800,748.14
  5. Step 5: Solve for x
    x = 139,944,800,748.14/445,892.46
  6. Step 6: Final answer
    x = 313,853.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.